diff --git a/pkgs/development/python-modules/pyvicare/default.nix b/pkgs/development/python-modules/pyvicare/default.nix
index e4de2f5e5fb9..1072a8f0ae76 100644
--- a/pkgs/development/python-modules/pyvicare/default.nix
+++ b/pkgs/development/python-modules/pyvicare/default.nix
@@ -10,7 +10,7 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pyvicare";
   version = "2.56.0";
   pyproject = true;
@@ -18,13 +18,13 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "openviess";
     repo = "PyViCare";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-DRCetTR7sFaShau3in0548FoR+rOaG28SGqfAjAVsn4=";
   };
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace-fail 'version = "0.1.0"' 'version = "${version}"'
+      --replace-fail 'version = "0.1.0"' 'version = "${finalAttrs.version}"'
   '';
 
   build-system = [ poetry-core ];
@@ -43,10 +43,10 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "PyViCare" ];
 
   meta = {
-    changelog = "https://github.com/openviess/PyViCare/releases/tag/${src.tag}";
     description = "Python Library to access Viessmann ViCare API";
     homepage = "https://github.com/somm15/PyViCare";
-    license = with lib.licenses; [ asl20 ];
+    changelog = "https://github.com/openviess/PyViCare/releases/tag/${finalAttrs.version}";
+    license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})